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ICDT
2009
ACM
14 years 8 months ago
2009
ACM
The need to manage diverse information sources has triggered the rise of very loosely structured data models, known as "dataspace models." Such information management sy...
VLDB
1987
ACM
13 years 11 months ago
1987
ACM
is at least ae powerful as SQL. Two well known relational query languages that have a sound theoretical foundation are relational algebra and relational calculus. As SQL is more cl...
MIR
2004
ACM
14 years 1 months ago
2004
ACM
In content-based image retrieval, relevance feedback has been introduced to narrow the gap between low-level image feature and high-level semantic concept. Furthermore, to speed u...
VLDB
2004
ACM
14 years 28 days ago
2004
ACM
Ontologies are increasingly being used to build applications that utilize domain-specific knowledge. This paper addresses the problem of supporting ontology-based semantic matchin...
SIGMOD
2003
ACM
14 years 7 months ago
2003
ACM
We propose a framework for integrating data from multiple relational sources into an XML document that both conforms to a given DTD and satisfies predefined XML constraints. The f...